Properties

Label 285.2.q
Level $285$
Weight $2$
Character orbit 285.q
Rep. character $\chi_{285}(164,\cdot)$
Character field $\Q(\zeta_{6})$
Dimension $72$
Newform subspaces $4$
Sturm bound $80$
Trace bound $2$

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Defining parameters

Level: \( N \) \(=\) \( 285 = 3 \cdot 5 \cdot 19 \)
Weight: \( k \) \(=\) \( 2 \)
Character orbit: \([\chi]\) \(=\) 285.q (of order \(6\) and degree \(2\))
Character conductor: \(\operatorname{cond}(\chi)\) \(=\) \( 285 \)
Character field: \(\Q(\zeta_{6})\)
Newform subspaces: \( 4 \)
Sturm bound: \(80\)
Trace bound: \(2\)
Distinguishing \(T_p\): \(2\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(285, [\chi])\).

Total New Old
Modular forms 88 88 0
Cusp forms 72 72 0
Eisenstein series 16 16 0

Trace form

\( 72 q + 26 q^{4} - 10 q^{6} - 2 q^{9} + O(q^{10}) \) \( 72 q + 26 q^{4} - 10 q^{6} - 2 q^{9} - 6 q^{10} - 24 q^{15} - 18 q^{16} - 8 q^{19} + 12 q^{21} + 46 q^{24} - 8 q^{25} - 36 q^{30} - 54 q^{34} + 10 q^{36} - 28 q^{39} + 12 q^{40} - 24 q^{45} - 16 q^{49} - 24 q^{51} + 30 q^{54} + 8 q^{55} - 54 q^{60} + 24 q^{61} - 88 q^{64} + 18 q^{66} - 36 q^{70} - 24 q^{76} - 60 q^{79} - 54 q^{81} + 12 q^{85} + 60 q^{90} + 36 q^{91} + 184 q^{96} + 68 q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(285, [\chi])\) into newform subspaces

Label Char Prim Dim $A$ Field CM Traces Sato-Tate $q$-expansion
$a_{2}$ $a_{3}$ $a_{5}$ $a_{7}$
285.2.q.a 285.q 285.q $4$ $2.276$ \(\Q(\sqrt{-3}, \sqrt{5})\) \(\Q(\sqrt{-15}) \) \(-3\) \(6\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(-\beta _{1}+\beta _{2})q^{2}+(2+\beta _{3})q^{3}+(1+3\beta _{1}+\cdots)q^{4}+\cdots\)
285.2.q.b 285.q 285.q $4$ $2.276$ \(\Q(\sqrt{-3}, \sqrt{5})\) \(\Q(\sqrt{-15}) \) \(3\) \(-6\) \(0\) \(0\) $\mathrm{U}(1)[D_{6}]$ \(q+(\beta _{1}-\beta _{2})q^{2}+(-2-\beta _{3})q^{3}+(1+3\beta _{1}+\cdots)q^{4}+\cdots\)
285.2.q.c 285.q 285.q $8$ $2.276$ 8.0.3317760000.3 None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$ \(q+\beta _{1}q^{3}+(-2+2\beta _{3})q^{4}-\beta _{2}q^{5}+\cdots\)
285.2.q.d 285.q 285.q $56$ $2.276$ None \(0\) \(0\) \(0\) \(0\) $\mathrm{SU}(2)[C_{6}]$